 
    History of NHL trades
 
   
    
| Vancouver Canucks acquire | Date | St. Louis Blues acquire | ||||
| 
 | March 5, 1991 | 
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| Vancouver Canucks acquire | Date | Calgary Flames acquire | ||||
| 
 | March 5, 1991 | 
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| Montreal Canadiens acquire | Date | Philadelphia Flyers acquire | ||||
| 
 | March 5, 1991 | 
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| Toronto Maple Leafs acquire | Date | Washington Capitals acquire | ||||
| 
 | March 5, 1991 | 
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| Toronto Maple Leafs acquire | Date | St. Louis Blues acquire | ||||
| 
 | March 5, 1991 | 
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| Quebec Nordiques acquire | Date | Chicago Blackhawks acquire | ||||
| 
 | March 5, 1991 | 
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| Minnesota North Stars acquire | Date | Los Angeles Kings acquire | ||||
| 
 | March 5, 1991 | 
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| Minnesota North Stars acquire | Date | Calgary Flames acquire | ||||
| 
 | March 5, 1991 | 
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| Edmonton Oilers acquire | Date | Pittsburgh Penguins acquire | ||||
| 
 | March 5, 1991 | 
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| Detroit Red Wings acquire | Date | New York Rangers acquire | ||||
| 
 | March 5, 1991 | 
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| Toronto Maple Leafs acquire | Date | Detroit Red Wings acquire | ||||
| 
 | March 5, 1991 | 
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| Buffalo Sabres acquire | Date | Pittsburgh Penguins acquire | ||||
| 
 | March 5, 1991 | 
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| Buffalo Sabres acquire | Date | Vancouver Canucks acquire | ||||
| 
 | March 5, 1991 | 
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| Hartford Whalers acquire | Date | Calgary Flames acquire | ||||
| 
 | March 5, 1991 | 
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| Hartford Whalers acquire | Date | Pittsburgh Penguins acquire | ||||
| 
 | March 4, 1991 | 
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| St. Louis Blues acquire | Date | Winnipeg Jets acquire | ||||
| 
 | February 28, 1991 | 
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| Hartford Whalers acquire | Date | Detroit Red Wings acquire | ||||
| 
 | February 20, 1991 | 
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| Quebec Nordiques acquire | Date | St. Louis Blues acquire | ||||
| 
 | February 4, 1991 | 
 | 
| Toronto Maple Leafs acquire | Date | Detroit Red Wings acquire | ||||
| 
 | February 4, 1991 | 
 | 
| Buffalo Sabres acquire | Date | Winnipeg Jets acquire | ||||
| 
 | February 4, 1991 | 
 |